Which of the following quantities do not change when a resistor connected to a battery is heated due to the current?

Question

Which of the following quantities do not change when a resistor connected to a battery is heated due to the current? (A) Drift speed (B) Resistivity (C) Resistance (D) Number of free electrons

Tardigrade Admin · Accepted Answer

Resistance, resistivity and drift velocity varies with relaxation time which is dependent on temperature. Number of free electrons in a conductor remains invariant even if its temperature changes.

Q. Which of the following quantities do not change when a resistor connected to a battery is heated due to the current?

Drift speed

Resistivity

Resistance

Number of free electrons

Resistance, resistivity and drift velocity varies with relaxation time which is dependent on temperature. Number of free electrons in a conductor remains invariant even if its temperature changes.